Abstract: An exhaust flue support apparatus has an elongate flue mounting plate incorporating at least one longitudinal strengthening bead. The mounting plate engages, by break-off tabs, a securing strap, a flange plate, and a centering plate. The mounting plate, securing strap, flange plate and centering plate are made from a single piece of sheet metal.

Abstract: A flue securing apparatus providing a planar metal plate having a flue hole therein and a tab of the metal plate extensive within the flue hole. The tab having a locating hole positioned at a juncture of the tab and one edge of the flue hole. A sheet metal strap is coplanar with the plate and joined thereto by mutual sheet metal attachments. Grooves positioned at the edged of the plate define comers of a roof hole so that a flue is positionable according to code. A step-by-step method is taught of using the plate as a template for cutting the roof hole and for securing a venting flue in place within the plate.

Abstract: A lifting and supporting apparatus having a vertically oriented robe interconnected to a smaller, vertically oriented rod by a lifting device. A large bracket or the like is secured to the robe so as to provide a surface upon which an object can rest. The lifting device provides a means by which to move the rod downwardly with respect to the tube, thus allowing both the tube and the object to be easily raised and supported above the ground upon which the rod rests.

Abstract: A combination filter module unit and replaceable filter element is disclosed, for use with an air handling system. The filter module unit provides channel construction for guiding the filter element between support legs. An access door provides a forth side to the rectangular unit. The filter element is of the typical flat rectangular construction type and includes a support frame for holding a filter media, the filter element frame being adapted to tightly fit within the outer frame so that air cannot flow around the filter element. A handle is used to insert and extract the filter element and provides a second function of providing a wedging surface for the access door to ride upon in achieving wedging action against the filter element so that the element is locked securely in place. The module provides double wall construction to enable fasteners to be place away from the filter element to avoid interference with it and to achieve a clean appearance.